Pliers.



G. EVANS.

PLIERS.

APPLICATION FILED MAY 10.1916. 1,199,255. lmnwdsvpr. 26,1916.

In mudo/n Geox-fera EVANS GEORGE EVANS, 0F PUYALLUP, WASHINGTON.

PLIERS.

Specification of Letters Patent.

Patented sept. .26, 191e.

Application filed November 2, 1914, Serial No. 869,864, Renewed May 10, 1916. Serial No. 96,713.

To all 'who-m it may concern Be it known l that I, GEORGE Evans, a citizen of the United States, residing at Puyallup, in the county of Pierce and State `of ivashin'gton, have invented certain new and useful Improvements in Pliers, of which the followingis a Specification, reference being had to the accompanying drawings.

This invention relates to new and useful improvements in pliers and more partlcularly to gripping pliers, the main object of the present invention being the provision of a pair of pliers which is particularly adapted for use in gripping round headed bolts whereby to Securely hold the bolts against rotation, While the nut is beingremoved therefrom. l

Another object of the present invention is the provision of a pair of pliers of the above character which will possess advantages in points of efficiency and durability', is inexpensive to manufacture and, at the same 'time` is'simple in construction and operation.

l/Vith theabove and other objects in view, the invention consists. in the novel features of construction, combination `vand Varrangement of parts as will be hereinafter referred to and more particularly pointed out in the specification and claim. 30` i In the accompanying drawing forming a part of this application, Figure 1 is a side elevation of a pair of pliers constructed in accordance with my invention. Fig. 2 is a detail perspective view of one of the gripping jaws; 'and Fig. is an end elevation of one of the gripping jaws.

In carrying dut my inventiom. I either especially construct a`pair of pliers according to my invention, or modify the gripping faces of the. jaws of an ordinary pair of pliers.

1n the aecomlmuving' drawing. a pair of pliers is designated by the numeral 1, which pliers include the handle nunihers2,'each of which is provided with an enlarged portion adjacent the inner `ends. one of these cnlarged portions heilig formed with a slot and the other with a bolt ext-ending through thel slot, this holt and slot connection permitting the handles to be shifted upon cach other so as to increase or decrease .the range of thc grippingr jaws 4 and 5. `Fnich of the gripping jaws l and is cutawayV upon its inside face as at 6, so as to leave a relatively sharp blade 7 extending transversely of the jaws, this blade having an inclined vinner face 8 which face is Aformed with corrugations or `teeth 9 which extend-parallel with the length of the jaw. It is to be observed that the gripping faces-8 of the jaws are this form of bolt, it is difiicult for ordinaryv pliers to grip the round head of the bolt, soA as to hold the bolt firmly, While thenut is being placed on or being removed ffrom the bolt. The jaws of the ordinary pliers merely contact at' opposite points with the head of the bolt and do not so engagethis pointed head as to hold it from movement. lVith my device as illustrated in Fig. 3, the cor` rugated inclined 'innerfaces 8 bite linward and wedge against the peripheryof the. bolt head, the corrugations biting into the relatively thin periphery of the bolt head and thus holding the bolt head and `bolt from any rotational movement. Thisv action .occurs whether the pliers be used in connection with a bolt head having a relatively large diameter or in connection with a small bolt head.

It is to be noted that'the gripping jaws 7 are slightly concaved upon the inner faces, thus conforming to the peripheral curvature of the holt head. lt is also to he noted that inasmuclras the gripping edges of'the'jaws are relatively sharp, these gripping edges may be easily inserted between the head of the bolt and the work so as to secure a good purchase upon the bolt head. This is par-A ticularly desirable where the bolt head has been drawn snugly up against the work.

While l have shown and described the preferred form of my invention. it will be obvious that various changes in the details of construction and in the proportions may be resorted to for successfully carrying my invention into practice, without sacriticing any ot' the novel features. or departing from th.. scopil of the invention, as defined by the appended claim. llaving thus what l claim is:

A boltlolding tool including a pair .of pivotally united gripping jaws, each having described this invention,

llO

a transversely extending recess in its inner rations being disposed at right angles .to the face, said recesses being adapted to receive terminal edges of the jews 1o the convex portion of a bolt head, and ser- In testimony whereof I hereunto affix my rated gripping faces extending between the signature in the presence of two Witnesses. recesses and the terminals of the pliers, said GEORGE EVANS. faces being transversely coneaved whereby Witnesses:

they 'may engage throughout their -width J. L. OWENS,

with the curved edge of a bolt head the ser- R. A. RICHMAN i Copies of this patent may be obtained for ve cents each, by addressing the "Commissioner of lla'tents'.

Washington, D. C. 

